Write the radical in exponential form and then simplify.
A. 7
B. 49
C. 117,649
D. 343
Answer: A
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Solve the formula for the indicated variable. Then use the supplied values to solve the equation.The relationship between the distance p from an object to a lens, the distance q from the image to the lens, and the focal length f (the distance from the lens to the principal focus) is given by 
Solve for f. What is the focal length when p is 726 mm and q is 24.2 mm? (All values are approximate.)
A. f = p + q = 750 mm
B. f = pq - p - q = 16,800 mm
C. f = 
+ 
= 1.00 mm
D. f = 
= 23.4 mm
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 7x3, y = 7x, for x ? 0
A. 
?
B. 
?
C. 
?
D. 
?
Convert from one measure to the other.4 feet 5 inches to inches
A. 9 inches B. 49 inches C. 53 inches D. 64 inches
Find the exact value of the trigonometric expression without the use of a calculator.
A. - 
B. -2
C. -
D. - 